Originally Posted by 70sixpkRT
Originally Posted by John_Kunkel
"Metal spalling is a process of metallic surface failure in which the metal is broken down into small flakes (spalls) from a larger solid body. This process occurs for many reasons, such as when another material impacts it at a high speed resulting in chipping the material, or due to corrosion, weathering, cavitation or excessive rolling pressure."

Can you please put that in layman's language? Are you saying normal wear and tear since I used to race and bang the gears?

It's broke

In theory, there is no difference between theory and practice. In practice, there is.